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| Criterion |  UX Research User Interviews |  Product Strategy Lean Canvas |  Product Discovery Assumption Mapping |
|---|---|---|---|
Purposedifferent | When teams derive needs only from assumptions and real motives are missing, user interviews give direct access to behavior and meaning. Conversations from the target group's everyday life make patterns, tensions, and open questions solidly visible. | When an early product bet still has too many open points, it brings target group, problem, and assumptions into a single view. It condenses the idea so core risks become nameable. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | Low | Medium | Medium |
Timedifferent | 30–60 min per interview | 45-90 min | 45-60 min |
Participantsdifferent | 1 participant per interview | 1-6 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Interview Notes, Themes, Insight Summary | Lean Canvas, Core Assumptions, Experiment Backlog | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | QualitativeResearchCustomerDiscovery | StartupLeanAssumptionsBusiness model | AssumptionsRiskExperimentsValidation |
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